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A 45 inch curved OLED gaming monitor in black with a height adjustable stand

LG Electronics

LG Electronics 45GX900A-B 45" OLED 240Hz gaming monitor

SKU CH-G4JA-NPV2T MPN 45GX900A-B

A 45" curved OLED gaming monitor with a 240Hz refresh rate, 0.03ms response time, and 98.5% DCI-P3 colour coverage

  • Cabinet ColorBlack
  • Screen Size45"
  • PanelOLED
  • Display TypeWQHD
  • Adaptive Sync TechnologyFreeSync Premium Pro (AMD Adaptive Sync)
  • Resolution3440 x 1440 (2K)

Size

  • 34"
  • 45"

Les versions barrées existent, mais ne sont pas disponibles ici.

  • 45-inch 800R curve wraps your field of view for deeper immersion
  • 240Hz refresh with 0.03ms response keeps fast motion sharp and responsive
  • FreeSync Premium Pro plus G-SYNC compatible prevents tearing across PC and console
  • OLED panel hits 98.5% DCI-P3 with 1,500,000:1 contrast for vivid colour and true blacks
  • 21:9 ultra-wide 3440x1440 gives more usable width than a 49-inch 32:9 display

45" 800R Curved OLED Gaming Monitor

This 45 inch UltraGear OLED panel delivers a 3440 x 1440 resolution across a steep 800R curve. A 240Hz refresh rate and 0.03ms response time keep motion sharp in fast titles. The 21:9 aspect ratio expands peripheral view for sim racers and strategy players.

Suited For Immersive Ultra-Wide Play

The 21:9 format and 800R curvature wrap the scene around the viewer, ideal for racing cockpits and wide-field shooters. Users who prefer a flat panel, a different aspect ratio or require higher typical brightness should consider other models.

240Hz Refresh Rate And 0.03ms Response

The combination of a 240Hz panel and 0.03ms gray-to-gray transition determines whether motion clarity meets competitive needs. If the target hardware cannot sustain high frame rates at 3440 x 1440, the speed advantage goes unused.

Points forts

  • 45-inch 800R curve wraps your field of view for deeper immersion
  • 240Hz refresh with 0.03ms response keeps fast motion sharp and responsive
  • FreeSync Premium Pro plus G-SYNC compatible prevents tearing across PC and console
  • OLED panel hits 98.5% DCI-P3 with 1,500,000:1 contrast for vivid colour and true blacks
  • 21:9 ultra-wide 3440x1440 gives more usable width than a 49-inch 32:9 display

Caractéristiques

BrandLG
SeriesUltraGear
Model45GX900A-B
Part Number45GX900A-B
Cabinet ColorBlack
Screen Size45"
PanelOLED
Display TypeWQHD
Adaptive Sync TechnologyFreeSync Premium Pro (AMD Adaptive Sync)
Resolution3440 x 1440 (2K)
Viewing Angle178° (H) / 178° (V)
Aspect Ratio21:9
Brightness275 cd/m2
Contrast Ratio1,500,000:1
Response Time0.03 ms
Color GamutDCI-P3 98.5% (CIE1976)
Display Colors1.07 Billion
Monitor Pixel Density0.266mm
Refresh Rate240Hz
HDR StandardHDR10
VESA Certified DisplayHDRDisplayHDR True Black 400
Curved Surface ScreenCurved
Curvature Radius800R
HDMI2 x HDMI 2.1
DisplayPort1 x DisplayPort 1.4
Video Ports1 x DisplayPort 1.4 / 1 x USB-C (DP Alternative) / 2 x HDMI 2.1
USB Ports1 x USB Type-C / 2 x USB 3.0 Type-A Downstream
Headphone4-pole (Sound+Mic)
Power Supply100 - 240 VAC, 50/60Hz
Power ConsumptionPower Save/Sleep Mode (Max): Less than 0.5W
DC Off (Max): Less than 0.3W
Stand AdjustmentsHeight, Swivel, Tilt
Built-in Speakers2 x 7W
Built-in WebcamNo
VESA Compatibility - Mountable100 x 100mm
Dimensions21.3"-26.1" x 39.1" x 13.3" with stand
18" x 39.1" x 8.6" without stand
Weight29.8 lbs. with Stand
19.6 lbs. without Stand
Package ContentsHDMI cable, DisplayPort cable, USB Type-C cable, Power cord/adapter, Quick Setup Guide and Warranty information
Poids d’expédition18.87 kg
Dimensions du colis1130 × 543 × 308 mm

Autres versions de ce modèle

1 de plus dans cette gamme

Même famille, mémoire, ventirad ou fréquence différents — comparez avant de vous décider.

Questions sur cet article

What graphics card output do I need to drive the 3440 x 1440 resolution at 240Hz?

You need a GPU with DisplayPort 1.4 or HDMI 2.1 bandwidth to run the 3440 x 1440 panel at its full 240Hz refresh rate.

Will my older GPU that only supports FreeSync standard still work with the FreeSync Premium Pro implementation?

Yes, the monitor's FreeSync Premium Pro is backward compatible, so a standard FreeSync GPU will still deliver variable refresh without tearing.

How can I verify the 0.03ms response time is active in games?

Enable the monitor's response-time overlay in the on-screen display; it will show the current GtG figure matching the 0.03ms spec during motion.

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